On the One-Dimensional Optimal Switching Problem
Mathematics of Operations Research
Optimal Stopping in Lévy Models for Nonmonotone Discontinuous Payoffs
SIAM Journal on Control and Optimization
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We consider a stochastic control problem that has emerged in the economics literature as an investment model under uncertainty. This problem combines features of both stochastic impulse control and optimal stopping. The aim is to discover the form of the optimal strategy. It turns out that this has a priori rather unexpected features. The results that we establish are of an explicit nature. We also construct an example whose value function does not possess C1 regularity.